./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:22:38,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:22:38,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 20:22:38,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:22:38,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:22:38,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:22:38,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:22:38,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:22:38,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:22:38,548 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:22:38,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:22:38,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:22:38,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:22:38,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:22:38,551 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:22:38,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:22:38,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:22:38,553 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:22:38,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:22:38,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:22:38,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:22:38,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:22:38,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:22:38,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:22:38,556 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:22:38,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:22:38,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:22:38,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:22:38,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:22:38,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:22:38,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:22:38,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:22:38,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:22:38,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:22:38,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:22:38,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:22:38,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:22:38,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:22:38,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:22:38,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:22:38,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:22:38,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:22:38,561 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee [2023-11-28 20:22:38,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:22:38,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:22:38,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:22:38,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:22:38,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:22:38,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2023-11-28 20:22:41,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:22:41,644 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:22:41,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2023-11-28 20:22:41,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/data/ddede9137/34f74da5778f4838bd5a110d87eba82a/FLAGd4d13497b [2023-11-28 20:22:41,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/data/ddede9137/34f74da5778f4838bd5a110d87eba82a [2023-11-28 20:22:41,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:22:41,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:22:41,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:22:41,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:22:41,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:22:41,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:41,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5114cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41, skipping insertion in model container [2023-11-28 20:22:41,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:41,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:22:41,856 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2023-11-28 20:22:41,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:22:41,917 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:22:41,929 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2023-11-28 20:22:41,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:22:41,978 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:22:41,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41 WrapperNode [2023-11-28 20:22:41,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:22:41,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:22:41,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:22:41,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:22:41,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,037 INFO L138 Inliner]: procedures = 29, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 520 [2023-11-28 20:22:42,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:22:42,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:22:42,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:22:42,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:22:42,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,081 INFO L175 MemorySlicer]: Split 133 memory accesses to 13 slices as follows [2, 9, 8, 6, 8, 11, 6, 19, 10, 16, 16, 14, 8]. 14 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2023-11-28 20:22:42,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:22:42,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:22:42,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:22:42,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:22:42,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (1/1) ... [2023-11-28 20:22:42,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:22:42,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:42,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:22:42,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:22:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:22:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-28 20:22:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-28 20:22:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-28 20:22:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-28 20:22:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-28 20:22:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-28 20:22:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-28 20:22:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-28 20:22:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-11-28 20:22:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2023-11-28 20:22:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2023-11-28 20:22:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2023-11-28 20:22:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2023-11-28 20:22:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 20:22:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 20:22:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-28 20:22:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-28 20:22:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-28 20:22:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-28 20:22:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-28 20:22:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-28 20:22:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-28 20:22:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-28 20:22:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-28 20:22:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-28 20:22:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-28 20:22:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-28 20:22:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-28 20:22:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-28 20:22:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-28 20:22:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-28 20:22:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-28 20:22:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-28 20:22:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-28 20:22:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2023-11-28 20:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2023-11-28 20:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2023-11-28 20:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2023-11-28 20:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2023-11-28 20:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 20:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 20:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-28 20:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-28 20:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-28 20:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-28 20:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-28 20:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-28 20:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-28 20:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-28 20:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-28 20:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-28 20:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-28 20:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-28 20:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-28 20:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-28 20:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-28 20:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-28 20:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-28 20:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-28 20:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-11-28 20:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2023-11-28 20:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2023-11-28 20:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2023-11-28 20:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2023-11-28 20:22:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2023-11-28 20:22:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 20:22:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 20:22:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 20:22:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-28 20:22:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-28 20:22:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-28 20:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-28 20:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-28 20:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-28 20:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-28 20:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-28 20:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-28 20:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-28 20:22:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-28 20:22:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-28 20:22:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:22:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:22:42,388 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:22:42,390 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:22:42,801 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:22:42,867 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:22:42,868 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 20:22:42,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:42 BoogieIcfgContainer [2023-11-28 20:22:42,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:22:42,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:22:42,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:22:42,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:22:42,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:22:41" (1/3) ... [2023-11-28 20:22:42,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c71cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:22:42, skipping insertion in model container [2023-11-28 20:22:42,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:41" (2/3) ... [2023-11-28 20:22:42,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c71cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:22:42, skipping insertion in model container [2023-11-28 20:22:42,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:42" (3/3) ... [2023-11-28 20:22:42,905 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-36.i [2023-11-28 20:22:42,922 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:22:42,922 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:22:42,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:22:42,974 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4598421f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:22:42,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:22:42,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 100 states have (on average 1.53) internal successors, (153), 101 states have internal predecessors, (153), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 20:22:42,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:42,992 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:42,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:42,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:42,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1214427154, now seen corresponding path program 1 times [2023-11-28 20:22:43,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:43,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445605165] [2023-11-28 20:22:43,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:43,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:22:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-28 20:22:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-28 20:22:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-28 20:22:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-28 20:22:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-28 20:22:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-28 20:22:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-28 20:22:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-28 20:22:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:22:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-28 20:22:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:43,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:43,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445605165] [2023-11-28 20:22:43,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445605165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:43,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:43,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:22:43,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900279751] [2023-11-28 20:22:43,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:43,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:22:43,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:43,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:22:43,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:22:43,399 INFO L87 Difference]: Start difference. First operand has 114 states, 100 states have (on average 1.53) internal successors, (153), 101 states have internal predecessors, (153), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:22:43,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:43,447 INFO L93 Difference]: Finished difference Result 225 states and 359 transitions. [2023-11-28 20:22:43,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:22:43,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2023-11-28 20:22:43,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:43,459 INFO L225 Difference]: With dead ends: 225 [2023-11-28 20:22:43,459 INFO L226 Difference]: Without dead ends: 112 [2023-11-28 20:22:43,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:22:43,467 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:43,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:22:43,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-28 20:22:43,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-11-28 20:22:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 99 states have (on average 1.494949494949495) internal successors, (148), 99 states have internal predecessors, (148), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 170 transitions. [2023-11-28 20:22:43,517 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 170 transitions. Word has length 104 [2023-11-28 20:22:43,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:43,518 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 170 transitions. [2023-11-28 20:22:43,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:22:43,519 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-11-28 20:22:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 20:22:43,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:43,523 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:43,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 20:22:43,524 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:43,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:43,524 INFO L85 PathProgramCache]: Analyzing trace with hash 621043572, now seen corresponding path program 1 times [2023-11-28 20:22:43,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:43,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307299564] [2023-11-28 20:22:43,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:43,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:22:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-28 20:22:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-28 20:22:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-28 20:22:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-28 20:22:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-28 20:22:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-28 20:22:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-28 20:22:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-28 20:22:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:22:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-28 20:22:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,798 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:43,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:43,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307299564] [2023-11-28 20:22:43,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307299564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:43,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:43,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:43,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406966351] [2023-11-28 20:22:43,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:43,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:43,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:43,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:43,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:43,803 INFO L87 Difference]: Start difference. First operand 112 states and 170 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:22:43,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:43,863 INFO L93 Difference]: Finished difference Result 229 states and 348 transitions. [2023-11-28 20:22:43,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:22:43,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2023-11-28 20:22:43,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:43,865 INFO L225 Difference]: With dead ends: 229 [2023-11-28 20:22:43,866 INFO L226 Difference]: Without dead ends: 118 [2023-11-28 20:22:43,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:43,868 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 10 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:43,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 490 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:22:43,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-28 20:22:43,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2023-11-28 20:22:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 172 transitions. [2023-11-28 20:22:43,898 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 172 transitions. Word has length 104 [2023-11-28 20:22:43,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:43,899 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 172 transitions. [2023-11-28 20:22:43,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:22:43,899 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 172 transitions. [2023-11-28 20:22:43,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 20:22:43,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:43,901 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:43,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 20:22:43,902 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:43,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:43,902 INFO L85 PathProgramCache]: Analyzing trace with hash 419219638, now seen corresponding path program 1 times [2023-11-28 20:22:43,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:43,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319602719] [2023-11-28 20:22:43,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:43,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:22:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-28 20:22:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-28 20:22:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-28 20:22:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-28 20:22:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-28 20:22:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-28 20:22:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-28 20:22:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-28 20:22:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:22:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-28 20:22:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:44,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:44,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319602719] [2023-11-28 20:22:44,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319602719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:44,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:44,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:44,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140888559] [2023-11-28 20:22:44,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:44,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:44,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:44,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:44,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:44,211 INFO L87 Difference]: Start difference. First operand 114 states and 172 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:44,343 INFO L93 Difference]: Finished difference Result 341 states and 515 transitions. [2023-11-28 20:22:44,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:22:44,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-28 20:22:44,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:44,347 INFO L225 Difference]: With dead ends: 341 [2023-11-28 20:22:44,347 INFO L226 Difference]: Without dead ends: 228 [2023-11-28 20:22:44,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:44,349 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 183 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:44,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 466 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:22:44,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-11-28 20:22:44,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 202. [2023-11-28 20:22:44,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 177 states have (on average 1.4745762711864407) internal successors, (261), 177 states have internal predecessors, (261), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-28 20:22:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 305 transitions. [2023-11-28 20:22:44,372 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 305 transitions. Word has length 104 [2023-11-28 20:22:44,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:44,373 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 305 transitions. [2023-11-28 20:22:44,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 305 transitions. [2023-11-28 20:22:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 20:22:44,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:44,375 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:44,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 20:22:44,376 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:44,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:44,376 INFO L85 PathProgramCache]: Analyzing trace with hash 841921464, now seen corresponding path program 1 times [2023-11-28 20:22:44,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:44,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570603103] [2023-11-28 20:22:44,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:44,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:22:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-28 20:22:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-28 20:22:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-28 20:22:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-28 20:22:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-28 20:22:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-28 20:22:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-28 20:22:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-28 20:22:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:22:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-28 20:22:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:44,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:44,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570603103] [2023-11-28 20:22:44,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570603103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:44,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:44,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:44,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776537413] [2023-11-28 20:22:44,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:44,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:44,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:44,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:44,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:44,725 INFO L87 Difference]: Start difference. First operand 202 states and 305 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:44,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:44,805 INFO L93 Difference]: Finished difference Result 472 states and 717 transitions. [2023-11-28 20:22:44,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:22:44,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-28 20:22:44,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:44,808 INFO L225 Difference]: With dead ends: 472 [2023-11-28 20:22:44,808 INFO L226 Difference]: Without dead ends: 347 [2023-11-28 20:22:44,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:44,811 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 124 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:44,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 462 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:22:44,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-11-28 20:22:44,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 343. [2023-11-28 20:22:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 306 states have (on average 1.4901960784313726) internal successors, (456), 306 states have internal predecessors, (456), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-28 20:22:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 522 transitions. [2023-11-28 20:22:44,835 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 522 transitions. Word has length 104 [2023-11-28 20:22:44,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:44,836 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 522 transitions. [2023-11-28 20:22:44,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 522 transitions. [2023-11-28 20:22:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 20:22:44,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:44,838 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:44,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-28 20:22:44,839 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:44,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:44,839 INFO L85 PathProgramCache]: Analyzing trace with hash -169195786, now seen corresponding path program 1 times [2023-11-28 20:22:44,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:44,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113273513] [2023-11-28 20:22:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:44,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:22:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-28 20:22:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-28 20:22:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-28 20:22:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-28 20:22:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-28 20:22:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-28 20:22:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-28 20:22:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-28 20:22:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:22:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-28 20:22:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:45,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:45,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113273513] [2023-11-28 20:22:45,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113273513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:45,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:45,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:45,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834469245] [2023-11-28 20:22:45,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:45,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:45,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:45,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:45,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:45,167 INFO L87 Difference]: Start difference. First operand 343 states and 522 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:45,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:45,274 INFO L93 Difference]: Finished difference Result 629 states and 955 transitions. [2023-11-28 20:22:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:22:45,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-28 20:22:45,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:45,278 INFO L225 Difference]: With dead ends: 629 [2023-11-28 20:22:45,278 INFO L226 Difference]: Without dead ends: 403 [2023-11-28 20:22:45,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:45,280 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 212 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:45,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 521 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:22:45,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-11-28 20:22:45,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 345. [2023-11-28 20:22:45,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 308 states have (on average 1.4870129870129871) internal successors, (458), 308 states have internal predecessors, (458), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-28 20:22:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 524 transitions. [2023-11-28 20:22:45,303 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 524 transitions. Word has length 104 [2023-11-28 20:22:45,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:45,304 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 524 transitions. [2023-11-28 20:22:45,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:45,304 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 524 transitions. [2023-11-28 20:22:45,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-28 20:22:45,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:45,305 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:45,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-28 20:22:45,306 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:45,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:45,306 INFO L85 PathProgramCache]: Analyzing trace with hash 531868792, now seen corresponding path program 1 times [2023-11-28 20:22:45,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:45,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657260074] [2023-11-28 20:22:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:45,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:22:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-28 20:22:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-28 20:22:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-28 20:22:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-28 20:22:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-28 20:22:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-28 20:22:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-28 20:22:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-28 20:22:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:22:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-28 20:22:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:45,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:45,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657260074] [2023-11-28 20:22:45,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657260074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:45,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:45,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:22:45,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142293748] [2023-11-28 20:22:45,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:45,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:22:45,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:45,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:22:45,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:45,848 INFO L87 Difference]: Start difference. First operand 345 states and 524 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:46,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:46,013 INFO L93 Difference]: Finished difference Result 843 states and 1276 transitions. [2023-11-28 20:22:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:22:46,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-28 20:22:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:46,018 INFO L225 Difference]: With dead ends: 843 [2023-11-28 20:22:46,018 INFO L226 Difference]: Without dead ends: 619 [2023-11-28 20:22:46,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:22:46,020 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 227 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:46,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 638 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:22:46,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2023-11-28 20:22:46,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 365. [2023-11-28 20:22:46,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 328 states have (on average 1.4817073170731707) internal successors, (486), 328 states have internal predecessors, (486), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-28 20:22:46,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 552 transitions. [2023-11-28 20:22:46,050 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 552 transitions. Word has length 104 [2023-11-28 20:22:46,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:46,051 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 552 transitions. [2023-11-28 20:22:46,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:46,051 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 552 transitions. [2023-11-28 20:22:46,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-28 20:22:46,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:46,052 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:46,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-28 20:22:46,052 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:46,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:46,053 INFO L85 PathProgramCache]: Analyzing trace with hash 599866361, now seen corresponding path program 1 times [2023-11-28 20:22:46,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:46,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351802686] [2023-11-28 20:22:46,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:46,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:22:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-28 20:22:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-28 20:22:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-28 20:22:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-28 20:22:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-28 20:22:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-28 20:22:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-28 20:22:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-28 20:22:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:22:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-28 20:22:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:46,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:46,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351802686] [2023-11-28 20:22:46,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351802686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:46,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:46,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:22:46,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781287953] [2023-11-28 20:22:46,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:46,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:22:46,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:46,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:22:46,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:46,213 INFO L87 Difference]: Start difference. First operand 365 states and 552 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:46,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:46,280 INFO L93 Difference]: Finished difference Result 635 states and 960 transitions. [2023-11-28 20:22:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:22:46,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-28 20:22:46,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:46,284 INFO L225 Difference]: With dead ends: 635 [2023-11-28 20:22:46,284 INFO L226 Difference]: Without dead ends: 401 [2023-11-28 20:22:46,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:22:46,285 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 77 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:46,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 648 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:22:46,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-11-28 20:22:46,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 371. [2023-11-28 20:22:46,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 334 states have (on average 1.473053892215569) internal successors, (492), 334 states have internal predecessors, (492), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-28 20:22:46,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 558 transitions. [2023-11-28 20:22:46,317 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 558 transitions. Word has length 107 [2023-11-28 20:22:46,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:46,318 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 558 transitions. [2023-11-28 20:22:46,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 558 transitions. [2023-11-28 20:22:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-28 20:22:46,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:46,319 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:46,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-28 20:22:46,320 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:46,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:46,320 INFO L85 PathProgramCache]: Analyzing trace with hash 613071180, now seen corresponding path program 1 times [2023-11-28 20:22:46,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:46,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314565838] [2023-11-28 20:22:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:46,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:22:46,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:22:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:22:46,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:22:46,522 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 20:22:46,523 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-28 20:22:46,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-28 20:22:46,528 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:46,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 20:22:46,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-28 20:22:46,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-28 20:22:46,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-28 20:22:46,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-28 20:22:46,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-28 20:22:46,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-28 20:22:46,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-28 20:22:46,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-28 20:22:46,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-28 20:22:46,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-28 20:22:46,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-28 20:22:46,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-28 20:22:46,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-28 20:22:46,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-28 20:22:46,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-28 20:22:46,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-28 20:22:46,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-28 20:22:46,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-28 20:22:46,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-28 20:22:46,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-28 20:22:46,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-28 20:22:46,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-28 20:22:46,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-28 20:22:46,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-28 20:22:46,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-28 20:22:46,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-28 20:22:46,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-28 20:22:46,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-28 20:22:46,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-28 20:22:46,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-28 20:22:46,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-28 20:22:46,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-28 20:22:46,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-28 20:22:46,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-28 20:22:46,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-28 20:22:46,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-28 20:22:46,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-28 20:22:46,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-28 20:22:46,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-28 20:22:46,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-28 20:22:46,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-28 20:22:46,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-28 20:22:46,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-28 20:22:46,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-28 20:22:46,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-28 20:22:46,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-28 20:22:46,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-28 20:22:46,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-28 20:22:46,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-28 20:22:46,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-28 20:22:46,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-28 20:22:46,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-28 20:22:46,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-28 20:22:46,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-28 20:22:46,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-28 20:22:46,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-28 20:22:46,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-28 20:22:46,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-28 20:22:46,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-28 20:22:46,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-28 20:22:46,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-28 20:22:46,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-28 20:22:46,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-28 20:22:46,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-28 20:22:46,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-28 20:22:46,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-28 20:22:46,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-28 20:22:46,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite38 could not be translated [2023-11-28 20:22:46,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-28 20:22:46,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-28 20:22:46,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-28 20:22:46,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-28 20:22:46,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-28 20:22:46,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated [2023-11-28 20:22:46,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-28 20:22:46,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-28 20:22:46,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-28 20:22:46,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-28 20:22:46,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-28 20:22:46,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-28 20:22:46,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated [2023-11-28 20:22:46,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-28 20:22:46,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-28 20:22:46,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-28 20:22:46,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-28 20:22:46,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-28 20:22:46,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated [2023-11-28 20:22:46,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-28 20:22:46,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-28 20:22:46,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short140 could not be translated [2023-11-28 20:22:46,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-28 20:22:46,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-28 20:22:46,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-28 20:22:46,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short140 could not be translated [2023-11-28 20:22:46,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated [2023-11-28 20:22:46,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-28 20:22:46,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-28 20:22:46,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-28 20:22:46,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-28 20:22:46,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-28 20:22:46,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short153 could not be translated [2023-11-28 20:22:46,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:22:46 BoogieIcfgContainer [2023-11-28 20:22:46,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 20:22:46,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:22:46,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:22:46,674 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:22:46,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:42" (3/4) ... [2023-11-28 20:22:46,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 20:22:46,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:22:46,678 INFO L158 Benchmark]: Toolchain (without parser) took 5004.52ms. Allocated memory was 161.5MB in the beginning and 245.4MB in the end (delta: 83.9MB). Free memory was 120.4MB in the beginning and 144.8MB in the end (delta: -24.4MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-28 20:22:46,678 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:22:46,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.87ms. Allocated memory is still 161.5MB. Free memory was 120.0MB in the beginning and 106.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-28 20:22:46,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.50ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 102.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 20:22:46,679 INFO L158 Benchmark]: Boogie Preprocessor took 84.89ms. Allocated memory is still 161.5MB. Free memory was 102.6MB in the beginning and 97.3MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 20:22:46,679 INFO L158 Benchmark]: RCFGBuilder took 745.06ms. Allocated memory is still 161.5MB. Free memory was 96.9MB in the beginning and 125.1MB in the end (delta: -28.2MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2023-11-28 20:22:46,680 INFO L158 Benchmark]: TraceAbstraction took 3801.53ms. Allocated memory was 161.5MB in the beginning and 245.4MB in the end (delta: 83.9MB). Free memory was 124.4MB in the beginning and 145.8MB in the end (delta: -21.4MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2023-11-28 20:22:46,680 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 245.4MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:22:46,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 161.5MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.87ms. Allocated memory is still 161.5MB. Free memory was 120.0MB in the beginning and 106.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.50ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 102.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.89ms. Allocated memory is still 161.5MB. Free memory was 102.6MB in the beginning and 97.3MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 745.06ms. Allocated memory is still 161.5MB. Free memory was 96.9MB in the beginning and 125.1MB in the end (delta: -28.2MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3801.53ms. Allocated memory was 161.5MB in the beginning and 245.4MB in the end (delta: 83.9MB). Free memory was 124.4MB in the beginning and 145.8MB in the end (delta: -21.4MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 245.4MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short140 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short140 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short153 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of shiftRight at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L22] unsigned long int var_1_1 = 1; [L23] unsigned long int* var_1_1_Pointer = &(var_1_1); [L24] float var_1_3 = 9999999999.875; [L24] float var_1_3 = 9999999999.875; [L25] float* var_1_3_Pointer = &(var_1_3); [L26] unsigned char var_1_4 = 0; [L26] unsigned char var_1_4 = 0; [L27] unsigned char* var_1_4_Pointer = &(var_1_4); [L28] float var_1_5 = 4.25; [L28] float var_1_5 = 4.25; [L29] float* var_1_5_Pointer = &(var_1_5); [L30] unsigned char var_1_7 = 1; [L30] unsigned char var_1_7 = 1; [L31] unsigned char* var_1_7_Pointer = &(var_1_7); [L32] unsigned char var_1_9 = 1; [L32] unsigned char var_1_9 = 1; [L33] unsigned char* var_1_9_Pointer = &(var_1_9); [L34] double var_1_10 = 64.2; [L34] double var_1_10 = 64.2; [L35] double* var_1_10_Pointer = &(var_1_10); [L36] double var_1_11 = 9.5; [L36] double var_1_11 = 9.5; [L37] double* var_1_11_Pointer = &(var_1_11); [L38] double var_1_12 = 199.5; [L38] double var_1_12 = 199.5; [L39] double* var_1_12_Pointer = &(var_1_12); [L40] double var_1_13 = 3.5; [L40] double var_1_13 = 3.5; [L41] double* var_1_13_Pointer = &(var_1_13); [L42] unsigned char var_1_14 = 1; [L42] unsigned char var_1_14 = 1; [L43] unsigned char* var_1_14_Pointer = &(var_1_14); [L44] unsigned char var_1_16 = 2; [L44] unsigned char var_1_16 = 2; [L45] unsigned char* var_1_16_Pointer = &(var_1_16); [L46] unsigned char last_1_var_1_14 = 1; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] CALL updateLastVariables() [L104] EXPR \read(var_1_14) [L104] last_1_var_1_14 = var_1_14 [L114] RET updateLastVariables() [L115] CALL updateVariables() [L83] var_1_3 = __VERIFIER_nondet_float() [L84] EXPR \read(var_1_3) [L84] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F [L84] EXPR \read(var_1_3) [L84] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] EXPR (var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] EXPR (var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L85] var_1_4 = __VERIFIER_nondet_uchar() [L86] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] var_1_5 = __VERIFIER_nondet_float() [L89] EXPR \read(var_1_5) [L89] EXPR var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F [L89] EXPR \read(var_1_5) [L89] EXPR var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR (var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR (var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] var_1_9 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] var_1_11 = __VERIFIER_nondet_double() [L94] EXPR \read(var_1_11) [L94] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F [L94] EXPR \read(var_1_11) [L94] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] var_1_12 = __VERIFIER_nondet_double() [L96] EXPR \read(var_1_12) [L96] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F [L96] EXPR \read(var_1_12) [L96] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] var_1_13 = __VERIFIER_nondet_double() [L98] EXPR \read(var_1_13) [L98] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F [L98] EXPR \read(var_1_13) [L98] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR (var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR (var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L99] var_1_16 = __VERIFIER_nondet_uchar() [L100] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L115] RET updateVariables() [L116] CALL step() [L50] EXPR last_1_var_1_14 >> last_1_var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L50] COND FALSE !((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) [L53] EXPR \read(*var_1_13_Pointer) [L53] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L53] COND FALSE !((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) [L60] (*(var_1_14_Pointer)) = 0 VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L62] EXPR \read(*var_1_5_Pointer) [L62] EXPR \read(*var_1_3_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L62] COND TRUE (*(var_1_5_Pointer)) > (*(var_1_3_Pointer)) [L63] (*(var_1_10_Pointer)) = 4.6 VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L67] EXPR \read(*var_1_10_Pointer) [L67] EXPR \read(*var_1_10_Pointer) [L67] unsigned char stepLocal_0 = (*(var_1_10_Pointer)) > (*(var_1_10_Pointer)); [L68] stepLocal_0 && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, stepLocal_0=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L68] stepLocal_0 && (*(var_1_7_Pointer)) [L68] EXPR \read(*var_1_7_Pointer) [L68] stepLocal_0 && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, stepLocal_0=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L68] COND TRUE stepLocal_0 && (*(var_1_7_Pointer)) [L69] EXPR \read(*var_1_10_Pointer) [L69] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] EXPR (((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))) [L69] EXPR \read(*var_1_10_Pointer) [L69] EXPR (((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))) VAL [isInitial=1, last_1_var_1_14=1, stepLocal_0=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] COND TRUE (((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer)) [L70] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L70] COND TRUE (*(var_1_7_Pointer)) [L71] (*(var_1_1_Pointer)) = 10u VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR \read(*var_1_10_Pointer) [L107] EXPR \read(*var_1_10_Pointer) [L107] EXPR ((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR (((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer)))) [L107] EXPR \read(*var_1_1_Pointer) [L107] EXPR \read(*var_1_14_Pointer) [L107] EXPR (((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer)))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR (((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR (((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer)))))))))))) && (((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) ? (((*(var_1_7_Pointer)) && (*(var_1_7_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) : ((*(var_1_14_Pointer)) == ((unsigned char) 0))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer)))))))))))) && (((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) ? (((*(var_1_7_Pointer)) && (*(var_1_7_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) : ((*(var_1_14_Pointer)) == ((unsigned char) 0))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107-L108] return ((((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer)))))))))))) && (((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) ? (((*(var_1_7_Pointer)) && (*(var_1_7_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) : ((*(var_1_14_Pointer)) == ((unsigned char) 0))) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 8, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 834 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 833 mSDsluCounter, 3391 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2229 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 277 IncrementalHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 1162 mSDtfsCounter, 277 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=371occurred in iteration=7, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 376 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 839 NumberOfCodeBlocks, 839 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 724 ConstructedInterpolants, 0 QuantifiedInterpolants, 1444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 1540/1540 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-28 20:22:46,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:22:48,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:22:48,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-28 20:22:48,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:22:48,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:22:48,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:22:48,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:22:48,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:22:48,684 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:22:48,685 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:22:48,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:22:48,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:22:48,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:22:48,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:22:48,688 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:22:48,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:22:48,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:22:48,690 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:22:48,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:22:48,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:22:48,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:22:48,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:22:48,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:22:48,692 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 20:22:48,693 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 20:22:48,693 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 20:22:48,693 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:22:48,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:22:48,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:22:48,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:22:48,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:22:48,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:22:48,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:22:48,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:22:48,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:22:48,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:22:48,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:22:48,697 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 20:22:48,697 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 20:22:48,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:22:48,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:22:48,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:22:48,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:22:48,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:22:48,699 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 20:22:48,699 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee [2023-11-28 20:22:49,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:22:49,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:22:49,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:22:49,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:22:49,028 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:22:49,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2023-11-28 20:22:51,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:22:51,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:22:51,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2023-11-28 20:22:51,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/data/d97052b45/7f2534f1ba84427f90e996789e0126dd/FLAG8075ac1cd [2023-11-28 20:22:51,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/data/d97052b45/7f2534f1ba84427f90e996789e0126dd [2023-11-28 20:22:51,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:22:51,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:22:51,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:22:51,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:22:51,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:22:51,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:22:51" (1/1) ... [2023-11-28 20:22:51,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1374abf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:51, skipping insertion in model container [2023-11-28 20:22:51,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:22:51" (1/1) ... [2023-11-28 20:22:52,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:22:52,158 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2023-11-28 20:22:52,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:22:52,233 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:22:52,243 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2023-11-28 20:22:52,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:22:52,296 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:22:52,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52 WrapperNode [2023-11-28 20:22:52,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:22:52,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:22:52,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:22:52,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:22:52,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,357 INFO L138 Inliner]: procedures = 36, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 511 [2023-11-28 20:22:52,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:22:52,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:22:52,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:22:52,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:22:52,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,379 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,412 INFO L175 MemorySlicer]: Split 133 memory accesses to 13 slices as follows [2, 9, 8, 6, 8, 11, 6, 19, 10, 16, 16, 14, 8]. 14 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2023-11-28 20:22:52,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:22:52,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:22:52,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:22:52,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:22:52,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (1/1) ... [2023-11-28 20:22:52,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:22:52,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:52,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:22:52,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:22:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:22:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-28 20:22:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-28 20:22:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-28 20:22:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-28 20:22:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-28 20:22:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-28 20:22:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-11-28 20:22:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2023-11-28 20:22:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2023-11-28 20:22:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2023-11-28 20:22:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2023-11-28 20:22:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2023-11-28 20:22:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2023-11-28 20:22:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-28 20:22:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-28 20:22:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-28 20:22:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-28 20:22:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-28 20:22:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-28 20:22:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-11-28 20:22:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2023-11-28 20:22:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2023-11-28 20:22:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2023-11-28 20:22:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2023-11-28 20:22:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2023-11-28 20:22:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2023-11-28 20:22:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-28 20:22:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-28 20:22:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-28 20:22:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-28 20:22:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-28 20:22:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-28 20:22:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-28 20:22:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-28 20:22:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-11-28 20:22:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-11-28 20:22:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-11-28 20:22:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-11-28 20:22:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-11-28 20:22:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 20:22:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-28 20:22:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-28 20:22:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-28 20:22:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-28 20:22:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-28 20:22:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-28 20:22:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-28 20:22:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-28 20:22:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-28 20:22:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-28 20:22:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-28 20:22:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-28 20:22:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-28 20:22:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-28 20:22:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-28 20:22:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-28 20:22:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-28 20:22:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-28 20:22:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-28 20:22:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-28 20:22:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-11-28 20:22:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-11-28 20:22:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-11-28 20:22:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-11-28 20:22:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-11-28 20:22:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-28 20:22:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-28 20:22:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-28 20:22:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-28 20:22:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-28 20:22:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-28 20:22:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-28 20:22:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-28 20:22:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-11-28 20:22:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-11-28 20:22:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2023-11-28 20:22:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2023-11-28 20:22:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2023-11-28 20:22:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-28 20:22:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-28 20:22:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-28 20:22:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-28 20:22:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-28 20:22:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-28 20:22:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-11-28 20:22:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2023-11-28 20:22:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2023-11-28 20:22:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2023-11-28 20:22:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2023-11-28 20:22:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2023-11-28 20:22:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2023-11-28 20:22:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-28 20:22:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-28 20:22:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-28 20:22:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-28 20:22:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-28 20:22:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-28 20:22:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-28 20:22:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-28 20:22:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-28 20:22:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-28 20:22:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-28 20:22:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-28 20:22:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-28 20:22:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-28 20:22:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-28 20:22:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-28 20:22:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-28 20:22:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-28 20:22:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-28 20:22:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-28 20:22:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-28 20:22:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-11-28 20:22:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-11-28 20:22:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2023-11-28 20:22:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2023-11-28 20:22:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2023-11-28 20:22:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-28 20:22:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-28 20:22:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-28 20:22:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-28 20:22:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-28 20:22:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-28 20:22:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-28 20:22:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-11-28 20:22:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2023-11-28 20:22:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2023-11-28 20:22:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2023-11-28 20:22:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2023-11-28 20:22:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2023-11-28 20:22:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 20:22:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 20:22:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:22:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:22:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-28 20:22:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-28 20:22:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-28 20:22:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-28 20:22:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-28 20:22:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-28 20:22:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-28 20:22:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-28 20:22:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-11-28 20:22:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-11-28 20:22:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-11-28 20:22:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-11-28 20:22:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-11-28 20:22:52,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-28 20:22:52,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-28 20:22:52,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-28 20:22:52,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-28 20:22:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-28 20:22:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-28 20:22:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-28 20:22:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-28 20:22:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-28 20:22:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-28 20:22:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-28 20:22:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-28 20:22:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-11-28 20:22:52,853 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:22:52,854 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:22:53,635 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:22:53,707 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:22:53,707 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 20:22:53,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:53 BoogieIcfgContainer [2023-11-28 20:22:53,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:22:53,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:22:53,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:22:53,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:22:53,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:22:51" (1/3) ... [2023-11-28 20:22:53,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c26ae95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:22:53, skipping insertion in model container [2023-11-28 20:22:53,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:52" (2/3) ... [2023-11-28 20:22:53,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c26ae95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:22:53, skipping insertion in model container [2023-11-28 20:22:53,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:53" (3/3) ... [2023-11-28 20:22:53,716 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-36.i [2023-11-28 20:22:53,734 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:22:53,734 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:22:53,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:22:53,790 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52c5562f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:22:53,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:22:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 98 states have (on average 1.5204081632653061) internal successors, (149), 99 states have internal predecessors, (149), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:53,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-28 20:22:53,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:53,810 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:53,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:53,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:53,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1285315588, now seen corresponding path program 1 times [2023-11-28 20:22:53,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:22:53,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109186780] [2023-11-28 20:22:53,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:53,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:53,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:22:53,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:22:53,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-28 20:22:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:54,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 20:22:54,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 20:22:54,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:54,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:22:54,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109186780] [2023-11-28 20:22:54,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109186780] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:54,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:54,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:22:54,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743304976] [2023-11-28 20:22:54,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:54,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:22:54,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:22:54,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:22:54,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:22:54,351 INFO L87 Difference]: Start difference. First operand has 112 states, 98 states have (on average 1.5204081632653061) internal successors, (149), 99 states have internal predecessors, (149), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:22:54,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:54,406 INFO L93 Difference]: Finished difference Result 217 states and 345 transitions. [2023-11-28 20:22:54,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:22:54,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2023-11-28 20:22:54,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:54,417 INFO L225 Difference]: With dead ends: 217 [2023-11-28 20:22:54,417 INFO L226 Difference]: Without dead ends: 106 [2023-11-28 20:22:54,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:22:54,425 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:54,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:22:54,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-28 20:22:54,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2023-11-28 20:22:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 93 states have internal predecessors, (136), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 158 transitions. [2023-11-28 20:22:54,468 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 158 transitions. Word has length 103 [2023-11-28 20:22:54,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:54,469 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 158 transitions. [2023-11-28 20:22:54,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:22:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2023-11-28 20:22:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-28 20:22:54,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:54,473 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:54,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-28 20:22:54,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:54,674 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:54,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:54,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1980611650, now seen corresponding path program 1 times [2023-11-28 20:22:54,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:22:54,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318820749] [2023-11-28 20:22:54,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:54,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:54,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:22:54,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:22:54,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-28 20:22:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:55,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:22:55,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 20:22:55,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:55,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:22:55,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318820749] [2023-11-28 20:22:55,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318820749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:55,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:55,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:55,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701231016] [2023-11-28 20:22:55,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:55,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:55,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:22:55,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:55,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:55,143 INFO L87 Difference]: Start difference. First operand 106 states and 158 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:22:55,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:55,302 INFO L93 Difference]: Finished difference Result 217 states and 324 transitions. [2023-11-28 20:22:55,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:22:55,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2023-11-28 20:22:55,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:55,305 INFO L225 Difference]: With dead ends: 217 [2023-11-28 20:22:55,305 INFO L226 Difference]: Without dead ends: 112 [2023-11-28 20:22:55,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:55,308 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 10 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:55,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 454 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:22:55,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-28 20:22:55,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108. [2023-11-28 20:22:55,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 95 states have (on average 1.4526315789473685) internal successors, (138), 95 states have internal predecessors, (138), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:55,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 160 transitions. [2023-11-28 20:22:55,323 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 160 transitions. Word has length 103 [2023-11-28 20:22:55,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:55,324 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 160 transitions. [2023-11-28 20:22:55,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:22:55,324 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2023-11-28 20:22:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-28 20:22:55,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:55,327 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:55,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-28 20:22:55,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:55,541 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:55,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:55,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1753655868, now seen corresponding path program 1 times [2023-11-28 20:22:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:22:55,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066846885] [2023-11-28 20:22:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:55,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:55,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:22:55,544 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:22:55,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-28 20:22:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:55,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:22:55,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:55,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:22:55,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 64 [2023-11-28 20:22:56,015 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:56,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:56,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:22:56,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066846885] [2023-11-28 20:22:56,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066846885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:56,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:56,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:22:56,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95060914] [2023-11-28 20:22:56,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:56,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:22:56,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:22:56,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:22:56,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:22:56,020 INFO L87 Difference]: Start difference. First operand 108 states and 160 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:56,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:56,063 INFO L93 Difference]: Finished difference Result 211 states and 312 transitions. [2023-11-28 20:22:56,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:22:56,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-11-28 20:22:56,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:56,066 INFO L225 Difference]: With dead ends: 211 [2023-11-28 20:22:56,066 INFO L226 Difference]: Without dead ends: 104 [2023-11-28 20:22:56,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:22:56,068 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:56,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 284 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:22:56,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-28 20:22:56,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-28 20:22:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 91 states have internal predecessors, (129), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2023-11-28 20:22:56,080 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 103 [2023-11-28 20:22:56,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:56,081 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2023-11-28 20:22:56,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-28 20:22:56,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-28 20:22:56,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:56,084 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:56,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-28 20:22:56,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:56,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:56,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:56,288 INFO L85 PathProgramCache]: Analyzing trace with hash 742538618, now seen corresponding path program 1 times [2023-11-28 20:22:56,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:22:56,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703870562] [2023-11-28 20:22:56,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:56,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:56,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:22:56,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:22:56,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-28 20:22:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:56,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:22:56,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:56,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2023-11-28 20:22:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:56,982 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:56,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:22:56,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703870562] [2023-11-28 20:22:56,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703870562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:56,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:56,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:22:56,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384075651] [2023-11-28 20:22:56,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:56,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:56,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:22:56,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:56,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:56,985 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:57,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:57,063 INFO L93 Difference]: Finished difference Result 229 states and 334 transitions. [2023-11-28 20:22:57,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:22:57,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-11-28 20:22:57,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:57,066 INFO L225 Difference]: With dead ends: 229 [2023-11-28 20:22:57,066 INFO L226 Difference]: Without dead ends: 126 [2023-11-28 20:22:57,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:57,068 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 128 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:57,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 293 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:22:57,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-28 20:22:57,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 105. [2023-11-28 20:22:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 152 transitions. [2023-11-28 20:22:57,080 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 152 transitions. Word has length 103 [2023-11-28 20:22:57,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:57,081 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 152 transitions. [2023-11-28 20:22:57,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:57,082 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 152 transitions. [2023-11-28 20:22:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-28 20:22:57,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:57,084 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:57,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-28 20:22:57,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:57,291 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:57,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:57,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1443603196, now seen corresponding path program 1 times [2023-11-28 20:22:57,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:22:57,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875454993] [2023-11-28 20:22:57,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:57,293 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:57,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:22:57,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:22:57,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-28 20:22:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:57,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 20:22:57,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:57,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-28 20:22:57,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-11-28 20:22:57,816 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:57,816 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:57,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:22:57,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875454993] [2023-11-28 20:22:57,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875454993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:57,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:57,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:22:57,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306598786] [2023-11-28 20:22:57,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:57,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:22:57,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:22:57,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:22:57,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:22:57,820 INFO L87 Difference]: Start difference. First operand 105 states and 152 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:58,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:58,092 INFO L93 Difference]: Finished difference Result 344 states and 499 transitions. [2023-11-28 20:22:58,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:22:58,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-11-28 20:22:58,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:58,095 INFO L225 Difference]: With dead ends: 344 [2023-11-28 20:22:58,095 INFO L226 Difference]: Without dead ends: 240 [2023-11-28 20:22:58,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:22:58,097 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 350 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:58,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 856 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:22:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-28 20:22:58,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 120. [2023-11-28 20:22:58,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 107 states have (on average 1.411214953271028) internal successors, (151), 107 states have internal predecessors, (151), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2023-11-28 20:22:58,114 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 103 [2023-11-28 20:22:58,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:58,115 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2023-11-28 20:22:58,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:58,115 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2023-11-28 20:22:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-28 20:22:58,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:58,117 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:58,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-28 20:22:58,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:58,320 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:58,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:58,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1866540490, now seen corresponding path program 1 times [2023-11-28 20:22:58,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:22:58,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722327043] [2023-11-28 20:22:58,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:58,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:22:58,322 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:22:58,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-28 20:22:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:58,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:22:58,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:58,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:58,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:22:58,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722327043] [2023-11-28 20:22:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722327043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:58,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:58,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:22:58,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207203616] [2023-11-28 20:22:58,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:58,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:22:58,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:22:58,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:22:58,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:58,663 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:58,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:58,741 INFO L93 Difference]: Finished difference Result 256 states and 371 transitions. [2023-11-28 20:22:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:22:58,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-11-28 20:22:58,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:58,743 INFO L225 Difference]: With dead ends: 256 [2023-11-28 20:22:58,744 INFO L226 Difference]: Without dead ends: 137 [2023-11-28 20:22:58,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:22:58,745 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 71 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:58,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 571 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:22:58,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-28 20:22:58,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 122. [2023-11-28 20:22:58,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 109 states have (on average 1.4036697247706422) internal successors, (153), 109 states have internal predecessors, (153), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2023-11-28 20:22:58,758 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 105 [2023-11-28 20:22:58,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:58,759 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2023-11-28 20:22:58,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2023-11-28 20:22:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-28 20:22:58,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:58,761 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:58,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-28 20:22:58,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:58,968 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:58,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:58,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1008789156, now seen corresponding path program 1 times [2023-11-28 20:22:58,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:22:58,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002659971] [2023-11-28 20:22:58,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:58,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:58,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:22:58,970 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:22:58,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-28 20:22:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:59,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 20:22:59,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:59,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-11-28 20:22:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:22:59,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:22:59,364 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:22:59,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002659971] [2023-11-28 20:22:59,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002659971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:59,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:59,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:22:59,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327178117] [2023-11-28 20:22:59,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:59,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:22:59,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:22:59,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:22:59,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:59,367 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:59,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:59,530 INFO L93 Difference]: Finished difference Result 264 states and 379 transitions. [2023-11-28 20:22:59,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:22:59,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-11-28 20:22:59,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:59,532 INFO L225 Difference]: With dead ends: 264 [2023-11-28 20:22:59,532 INFO L226 Difference]: Without dead ends: 143 [2023-11-28 20:22:59,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:22:59,533 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 177 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:59,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 422 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:22:59,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-28 20:22:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2023-11-28 20:22:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:22:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2023-11-28 20:22:59,543 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 105 [2023-11-28 20:22:59,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:59,544 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2023-11-28 20:22:59,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:22:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2023-11-28 20:22:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-28 20:22:59,546 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:59,546 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:59,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-28 20:22:59,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:59,747 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:59,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:59,747 INFO L85 PathProgramCache]: Analyzing trace with hash 355865771, now seen corresponding path program 1 times [2023-11-28 20:22:59,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:22:59,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660582743] [2023-11-28 20:22:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:59,748 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:22:59,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:22:59,749 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:22:59,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-28 20:23:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:00,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 20:23:00,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:00,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-28 20:23:00,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-11-28 20:23:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:23:00,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:00,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:23:00,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660582743] [2023-11-28 20:23:00,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660582743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:00,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:00,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-28 20:23:00,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298005588] [2023-11-28 20:23:00,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:00,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:23:00,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:23:00,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:23:00,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:23:00,201 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:00,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:00,526 INFO L93 Difference]: Finished difference Result 376 states and 538 transitions. [2023-11-28 20:23:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:23:00,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-28 20:23:00,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:00,529 INFO L225 Difference]: With dead ends: 376 [2023-11-28 20:23:00,529 INFO L226 Difference]: Without dead ends: 268 [2023-11-28 20:23:00,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2023-11-28 20:23:00,531 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 238 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:00,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1229 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:23:00,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-11-28 20:23:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 127. [2023-11-28 20:23:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 114 states have (on average 1.4035087719298245) internal successors, (160), 114 states have internal predecessors, (160), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:23:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 182 transitions. [2023-11-28 20:23:00,542 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 182 transitions. Word has length 107 [2023-11-28 20:23:00,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:00,543 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 182 transitions. [2023-11-28 20:23:00,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 182 transitions. [2023-11-28 20:23:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-28 20:23:00,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:00,545 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:00,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-28 20:23:00,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:00,746 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:00,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:00,746 INFO L85 PathProgramCache]: Analyzing trace with hash -529087121, now seen corresponding path program 1 times [2023-11-28 20:23:00,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:23:00,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291972442] [2023-11-28 20:23:00,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:00,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:00,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:23:00,747 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:23:00,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-28 20:23:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:01,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 20:23:01,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 20:23:01,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-11-28 20:23:01,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:01,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 53 [2023-11-28 20:23:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:23:01,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:01,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:23:01,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291972442] [2023-11-28 20:23:01,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291972442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:01,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:01,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:23:01,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883585929] [2023-11-28 20:23:01,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:01,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:23:01,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:23:01,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:23:01,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:23:01,586 INFO L87 Difference]: Start difference. First operand 127 states and 182 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:02,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:02,727 INFO L93 Difference]: Finished difference Result 388 states and 557 transitions. [2023-11-28 20:23:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 20:23:02,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-28 20:23:02,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:02,730 INFO L225 Difference]: With dead ends: 388 [2023-11-28 20:23:02,730 INFO L226 Difference]: Without dead ends: 262 [2023-11-28 20:23:02,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-28 20:23:02,731 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 299 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:02,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 824 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-28 20:23:02,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-28 20:23:02,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 165. [2023-11-28 20:23:02,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 152 states have (on average 1.381578947368421) internal successors, (210), 152 states have internal predecessors, (210), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:23:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 232 transitions. [2023-11-28 20:23:02,747 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 232 transitions. Word has length 107 [2023-11-28 20:23:02,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:02,747 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 232 transitions. [2023-11-28 20:23:02,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 232 transitions. [2023-11-28 20:23:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-28 20:23:02,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:02,749 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:02,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-28 20:23:02,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:02,950 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:02,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:02,950 INFO L85 PathProgramCache]: Analyzing trace with hash 939896070, now seen corresponding path program 1 times [2023-11-28 20:23:02,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:23:02,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575878144] [2023-11-28 20:23:02,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:02,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:02,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:23:02,952 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:23:02,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-28 20:23:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:03,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 20:23:03,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:03,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2023-11-28 20:23:03,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:03,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 66 [2023-11-28 20:23:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:23:03,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:03,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:23:03,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575878144] [2023-11-28 20:23:03,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575878144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:03,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:03,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:23:03,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554684210] [2023-11-28 20:23:03,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:03,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:23:03,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:23:03,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:23:03,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:23:03,588 INFO L87 Difference]: Start difference. First operand 165 states and 232 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:04,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:04,200 INFO L93 Difference]: Finished difference Result 388 states and 551 transitions. [2023-11-28 20:23:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:23:04,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2023-11-28 20:23:04,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:04,202 INFO L225 Difference]: With dead ends: 388 [2023-11-28 20:23:04,202 INFO L226 Difference]: Without dead ends: 224 [2023-11-28 20:23:04,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:23:04,203 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 286 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:04,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 437 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 20:23:04,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-28 20:23:04,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 114. [2023-11-28 20:23:04,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.316831683168317) internal successors, (133), 101 states have internal predecessors, (133), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:23:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 155 transitions. [2023-11-28 20:23:04,218 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 155 transitions. Word has length 109 [2023-11-28 20:23:04,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:04,218 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 155 transitions. [2023-11-28 20:23:04,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 155 transitions. [2023-11-28 20:23:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-28 20:23:04,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:04,220 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:04,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-28 20:23:04,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:04,421 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:04,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:04,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1972146531, now seen corresponding path program 1 times [2023-11-28 20:23:04,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:23:04,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446820764] [2023-11-28 20:23:04,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:04,422 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:04,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:23:04,422 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:23:04,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-28 20:23:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:04,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 20:23:04,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:04,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-28 20:23:04,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2023-11-28 20:23:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:23:04,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:04,837 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:23:04,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446820764] [2023-11-28 20:23:04,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446820764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:04,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:04,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:23:04,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113147004] [2023-11-28 20:23:04,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:04,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:23:04,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:23:04,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:23:04,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:23:04,839 INFO L87 Difference]: Start difference. First operand 114 states and 155 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:05,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:05,009 INFO L93 Difference]: Finished difference Result 233 states and 315 transitions. [2023-11-28 20:23:05,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:23:05,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2023-11-28 20:23:05,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:05,012 INFO L225 Difference]: With dead ends: 233 [2023-11-28 20:23:05,012 INFO L226 Difference]: Without dead ends: 231 [2023-11-28 20:23:05,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:23:05,013 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 134 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:05,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 932 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:23:05,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-28 20:23:05,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 162. [2023-11-28 20:23:05,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 149 states have internal predecessors, (192), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:23:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 214 transitions. [2023-11-28 20:23:05,024 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 214 transitions. Word has length 109 [2023-11-28 20:23:05,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:05,025 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 214 transitions. [2023-11-28 20:23:05,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 214 transitions. [2023-11-28 20:23:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-28 20:23:05,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:05,026 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:05,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-11-28 20:23:05,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:05,232 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:05,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash 896964211, now seen corresponding path program 1 times [2023-11-28 20:23:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:23:05,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941676098] [2023-11-28 20:23:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:05,233 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:05,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:23:05,233 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:23:05,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-28 20:23:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:05,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-28 20:23:05,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:06,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2023-11-28 20:23:06,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2023-11-28 20:23:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:23:06,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:06,768 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:23:06,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941676098] [2023-11-28 20:23:06,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1941676098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:06,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:06,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-28 20:23:06,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828335679] [2023-11-28 20:23:06,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:06,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:23:06,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:23:06,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:23:06,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:23:06,770 INFO L87 Difference]: Start difference. First operand 162 states and 214 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:08,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:08,868 INFO L93 Difference]: Finished difference Result 500 states and 660 transitions. [2023-11-28 20:23:08,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:23:08,869 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2023-11-28 20:23:08,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:08,871 INFO L225 Difference]: With dead ends: 500 [2023-11-28 20:23:08,871 INFO L226 Difference]: Without dead ends: 339 [2023-11-28 20:23:08,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:23:08,872 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 272 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:08,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 1226 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-28 20:23:08,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2023-11-28 20:23:08,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 247. [2023-11-28 20:23:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 222 states have (on average 1.2747747747747749) internal successors, (283), 222 states have internal predecessors, (283), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-28 20:23:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 327 transitions. [2023-11-28 20:23:08,890 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 327 transitions. Word has length 110 [2023-11-28 20:23:08,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:08,890 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 327 transitions. [2023-11-28 20:23:08,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 327 transitions. [2023-11-28 20:23:08,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-28 20:23:08,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:08,892 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:08,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-28 20:23:09,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:09,092 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:09,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:09,093 INFO L85 PathProgramCache]: Analyzing trace with hash 513461880, now seen corresponding path program 1 times [2023-11-28 20:23:09,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:23:09,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251239546] [2023-11-28 20:23:09,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:09,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:09,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:23:09,094 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:23:09,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-28 20:23:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:09,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-28 20:23:09,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:10,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2023-11-28 20:23:10,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 50 [2023-11-28 20:23:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:23:10,628 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:10,629 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:23:10,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251239546] [2023-11-28 20:23:10,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251239546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:10,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:10,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-28 20:23:10,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930511249] [2023-11-28 20:23:10,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:10,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:23:10,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:23:10,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:23:10,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:23:10,631 INFO L87 Difference]: Start difference. First operand 247 states and 327 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:14,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:23:15,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:15,190 INFO L93 Difference]: Finished difference Result 585 states and 771 transitions. [2023-11-28 20:23:15,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:23:15,192 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2023-11-28 20:23:15,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:15,194 INFO L225 Difference]: With dead ends: 585 [2023-11-28 20:23:15,194 INFO L226 Difference]: Without dead ends: 339 [2023-11-28 20:23:15,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:23:15,195 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 270 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:15,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 1408 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-28 20:23:15,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2023-11-28 20:23:15,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 283. [2023-11-28 20:23:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 258 states have (on average 1.2596899224806202) internal successors, (325), 258 states have internal predecessors, (325), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-28 20:23:15,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 369 transitions. [2023-11-28 20:23:15,215 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 369 transitions. Word has length 110 [2023-11-28 20:23:15,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:15,215 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 369 transitions. [2023-11-28 20:23:15,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:15,216 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 369 transitions. [2023-11-28 20:23:15,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-28 20:23:15,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:15,217 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:15,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-28 20:23:15,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:15,417 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:15,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:15,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1076201167, now seen corresponding path program 1 times [2023-11-28 20:23:15,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:23:15,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707440648] [2023-11-28 20:23:15,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:15,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:15,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:23:15,419 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:23:15,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-28 20:23:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:15,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:23:15,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:23:15,724 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:23:15,724 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:23:15,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707440648] [2023-11-28 20:23:15,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707440648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:23:15,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:23:15,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:23:15,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062907164] [2023-11-28 20:23:15,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:15,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:23:15,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:23:15,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:23:15,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:23:15,726 INFO L87 Difference]: Start difference. First operand 283 states and 369 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:15,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:15,788 INFO L93 Difference]: Finished difference Result 569 states and 743 transitions. [2023-11-28 20:23:15,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:23:15,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2023-11-28 20:23:15,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:15,790 INFO L225 Difference]: With dead ends: 569 [2023-11-28 20:23:15,790 INFO L226 Difference]: Without dead ends: 287 [2023-11-28 20:23:15,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:23:15,791 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 7 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:15,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 394 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:23:15,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-11-28 20:23:15,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 283. [2023-11-28 20:23:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 258 states have (on average 1.255813953488372) internal successors, (324), 258 states have internal predecessors, (324), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-28 20:23:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 368 transitions. [2023-11-28 20:23:15,816 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 368 transitions. Word has length 110 [2023-11-28 20:23:15,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:15,816 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 368 transitions. [2023-11-28 20:23:15,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 368 transitions. [2023-11-28 20:23:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-28 20:23:15,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:15,818 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:15,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-28 20:23:16,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:16,020 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:16,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:16,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1334151413, now seen corresponding path program 1 times [2023-11-28 20:23:16,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:23:16,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353742576] [2023-11-28 20:23:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:16,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:16,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:23:16,022 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:23:16,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-28 20:23:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:16,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-28 20:23:16,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:19,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:19,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 56 [2023-11-28 20:23:19,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:19,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 56 [2023-11-28 20:23:19,615 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:23:19,615 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:23:20,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:20,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 192 treesize of output 150 [2023-11-28 20:23:32,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:23:32,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353742576] [2023-11-28 20:23:32,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353742576] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:23:32,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1297887674] [2023-11-28 20:23:32,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:32,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:23:32,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:23:32,590 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:23:32,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-28 20:23:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:33,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-28 20:23:33,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:34,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-28 20:23:41,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:41,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 68 [2023-11-28 20:23:41,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 68 [2023-11-28 20:23:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-28 20:23:41,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:23:42,589 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:23:42,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1297887674] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:23:42,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:23:42,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11, 9] total 23 [2023-11-28 20:23:42,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471902772] [2023-11-28 20:23:42,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:42,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:23:42,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:23:42,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:23:42,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=728, Unknown=1, NotChecked=0, Total=812 [2023-11-28 20:23:42,592 INFO L87 Difference]: Start difference. First operand 283 states and 368 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:43,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:43,498 INFO L93 Difference]: Finished difference Result 644 states and 843 transitions. [2023-11-28 20:23:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:23:43,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2023-11-28 20:23:43,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:43,503 INFO L225 Difference]: With dead ends: 644 [2023-11-28 20:23:43,503 INFO L226 Difference]: Without dead ends: 362 [2023-11-28 20:23:43,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=88, Invalid=781, Unknown=1, NotChecked=0, Total=870 [2023-11-28 20:23:43,505 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 89 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:43,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 616 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:23:43,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-11-28 20:23:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 356. [2023-11-28 20:23:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 315 states have (on average 1.2634920634920634) internal successors, (398), 317 states have internal predecessors, (398), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-28 20:23:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 470 transitions. [2023-11-28 20:23:43,543 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 470 transitions. Word has length 111 [2023-11-28 20:23:43,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:43,544 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 470 transitions. [2023-11-28 20:23:43,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:23:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 470 transitions. [2023-11-28 20:23:43,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-28 20:23:43,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:23:43,546 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:23:43,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-11-28 20:23:43,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-11-28 20:23:43,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:43,946 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:23:43,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:23:43,947 INFO L85 PathProgramCache]: Analyzing trace with hash -168008827, now seen corresponding path program 1 times [2023-11-28 20:23:43,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:23:43,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354488019] [2023-11-28 20:23:43,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:43,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:23:43,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:23:43,948 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:23:43,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-11-28 20:23:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:44,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-28 20:23:44,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:47,825 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:47,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 56 [2023-11-28 20:23:47,843 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:47,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 36 [2023-11-28 20:23:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:23:47,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:23:48,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:48,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 141 treesize of output 129 [2023-11-28 20:23:54,408 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:23:54,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354488019] [2023-11-28 20:23:54,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354488019] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:23:54,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [142076675] [2023-11-28 20:23:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:23:54,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:23:54,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:23:54,410 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:23:54,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-11-28 20:23:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:23:55,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-28 20:23:55,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:23:56,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-28 20:23:58,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:23:58,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 69 [2023-11-28 20:23:58,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 65 [2023-11-28 20:23:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-28 20:23:58,809 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:23:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:23:59,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [142076675] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:23:59,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:23:59,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 8] total 21 [2023-11-28 20:23:59,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112262092] [2023-11-28 20:23:59,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:23:59,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:23:59,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:23:59,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:23:59,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-11-28 20:23:59,196 INFO L87 Difference]: Start difference. First operand 356 states and 470 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:24:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:00,046 INFO L93 Difference]: Finished difference Result 719 states and 942 transitions. [2023-11-28 20:24:00,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:24:00,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2023-11-28 20:24:00,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:00,049 INFO L225 Difference]: With dead ends: 719 [2023-11-28 20:24:00,049 INFO L226 Difference]: Without dead ends: 364 [2023-11-28 20:24:00,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 362 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2023-11-28 20:24:00,050 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 140 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:24:00,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 334 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:24:00,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-11-28 20:24:00,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 291. [2023-11-28 20:24:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 264 states have (on average 1.2424242424242424) internal successors, (328), 264 states have internal predecessors, (328), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-28 20:24:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 372 transitions. [2023-11-28 20:24:00,072 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 372 transitions. Word has length 112 [2023-11-28 20:24:00,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:00,072 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 372 transitions. [2023-11-28 20:24:00,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:24:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 372 transitions. [2023-11-28 20:24:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-28 20:24:00,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:00,074 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:24:00,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-11-28 20:24:00,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-11-28 20:24:00,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:24:00,480 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:00,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:00,480 INFO L85 PathProgramCache]: Analyzing trace with hash 895116589, now seen corresponding path program 1 times [2023-11-28 20:24:00,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:24:00,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955873573] [2023-11-28 20:24:00,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:00,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:24:00,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:24:00,482 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:24:00,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-11-28 20:24:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:00,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-28 20:24:00,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:24:02,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2023-11-28 20:24:02,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2023-11-28 20:24:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-28 20:24:02,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:24:03,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:03,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 66 [2023-11-28 20:24:04,555 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:24:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955873573] [2023-11-28 20:24:04,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955873573] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:24:04,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1430221646] [2023-11-28 20:24:04,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:04,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:24:04,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:24:04,557 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:24:04,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-11-28 20:24:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:05,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:24:05,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:24:06,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2023-11-28 20:24:06,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2023-11-28 20:24:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:24:06,262 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:24:06,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1430221646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:24:06,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:24:06,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2023-11-28 20:24:06,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649877390] [2023-11-28 20:24:06,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:24:06,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:24:06,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:24:06,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:24:06,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2023-11-28 20:24:06,263 INFO L87 Difference]: Start difference. First operand 291 states and 372 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:24:07,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:07,048 INFO L93 Difference]: Finished difference Result 611 states and 779 transitions. [2023-11-28 20:24:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:24:07,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2023-11-28 20:24:07,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:07,051 INFO L225 Difference]: With dead ends: 611 [2023-11-28 20:24:07,051 INFO L226 Difference]: Without dead ends: 321 [2023-11-28 20:24:07,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2023-11-28 20:24:07,052 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 42 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:24:07,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 514 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:24:07,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-11-28 20:24:07,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 265. [2023-11-28 20:24:07,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 238 states have (on average 1.2605042016806722) internal successors, (300), 238 states have internal predecessors, (300), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-28 20:24:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 344 transitions. [2023-11-28 20:24:07,077 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 344 transitions. Word has length 112 [2023-11-28 20:24:07,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:07,078 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 344 transitions. [2023-11-28 20:24:07,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:24:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 344 transitions. [2023-11-28 20:24:07,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-28 20:24:07,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:07,080 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:24:07,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-11-28 20:24:07,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-11-28 20:24:07,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-28 20:24:07,484 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:07,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:07,484 INFO L85 PathProgramCache]: Analyzing trace with hash 511614258, now seen corresponding path program 1 times [2023-11-28 20:24:07,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:24:07,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854266831] [2023-11-28 20:24:07,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:07,485 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:24:07,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:24:07,486 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:24:07,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-11-28 20:24:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:07,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-28 20:24:07,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:24:10,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2023-11-28 20:24:10,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2023-11-28 20:24:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-28 20:24:10,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:24:11,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:11,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 66 [2023-11-28 20:24:11,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:24:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854266831] [2023-11-28 20:24:11,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854266831] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:24:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [940523333] [2023-11-28 20:24:11,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:11,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:24:11,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:24:11,864 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:24:11,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-11-28 20:24:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:13,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 20:24:13,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:24:13,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2023-11-28 20:24:13,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2023-11-28 20:24:13,517 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:24:13,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:24:13,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [940523333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:24:13,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:24:13,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2023-11-28 20:24:13,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591089843] [2023-11-28 20:24:13,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:24:13,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:24:13,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:24:13,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:24:13,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2023-11-28 20:24:13,519 INFO L87 Difference]: Start difference. First operand 265 states and 344 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:24:13,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:13,847 INFO L93 Difference]: Finished difference Result 544 states and 704 transitions. [2023-11-28 20:24:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:24:13,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2023-11-28 20:24:13,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:13,850 INFO L225 Difference]: With dead ends: 544 [2023-11-28 20:24:13,850 INFO L226 Difference]: Without dead ends: 280 [2023-11-28 20:24:13,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 291 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2023-11-28 20:24:13,852 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 53 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:24:13,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 527 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-28 20:24:13,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-11-28 20:24:13,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 168. [2023-11-28 20:24:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 154 states have (on average 1.2402597402597402) internal successors, (191), 154 states have internal predecessors, (191), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-28 20:24:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 213 transitions. [2023-11-28 20:24:13,869 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 213 transitions. Word has length 112 [2023-11-28 20:24:13,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:13,869 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 213 transitions. [2023-11-28 20:24:13,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:24:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2023-11-28 20:24:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-28 20:24:13,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:13,871 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:24:13,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2023-11-28 20:24:14,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-11-28 20:24:14,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-28 20:24:14,272 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:14,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:14,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1729231670, now seen corresponding path program 1 times [2023-11-28 20:24:14,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:24:14,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466115215] [2023-11-28 20:24:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:14,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:24:14,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:24:14,273 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:24:14,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-11-28 20:24:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:14,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-28 20:24:14,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:24:16,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-11-28 20:24:16,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:16,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 24 [2023-11-28 20:24:17,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:17,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 212 treesize of output 92 [2023-11-28 20:24:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 20:24:17,554 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:24:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:24:18,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:24:18,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466115215] [2023-11-28 20:24:18,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466115215] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:24:18,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:24:18,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 21 [2023-11-28 20:24:18,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667724340] [2023-11-28 20:24:18,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:24:18,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:24:18,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:24:18,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:24:18,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2023-11-28 20:24:18,335 INFO L87 Difference]: Start difference. First operand 168 states and 213 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:24:20,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:20,330 INFO L93 Difference]: Finished difference Result 464 states and 591 transitions. [2023-11-28 20:24:20,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-28 20:24:20,332 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 113 [2023-11-28 20:24:20,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:20,334 INFO L225 Difference]: With dead ends: 464 [2023-11-28 20:24:20,334 INFO L226 Difference]: Without dead ends: 297 [2023-11-28 20:24:20,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2023-11-28 20:24:20,335 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 234 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:24:20,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1160 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-28 20:24:20,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-11-28 20:24:20,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 260. [2023-11-28 20:24:20,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 239 states have (on average 1.2259414225941423) internal successors, (293), 240 states have internal predecessors, (293), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-28 20:24:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 327 transitions. [2023-11-28 20:24:20,354 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 327 transitions. Word has length 113 [2023-11-28 20:24:20,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:20,354 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 327 transitions. [2023-11-28 20:24:20,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:24:20,355 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 327 transitions. [2023-11-28 20:24:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-28 20:24:20,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:20,355 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:24:20,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2023-11-28 20:24:20,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:24:20,556 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:20,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:20,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1605059363, now seen corresponding path program 1 times [2023-11-28 20:24:20,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:24:20,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302029879] [2023-11-28 20:24:20,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:20,557 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:24:20,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:24:20,558 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:24:20,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-11-28 20:24:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:20,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-28 20:24:20,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:24:24,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:24,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 36 [2023-11-28 20:24:24,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:24,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 56 [2023-11-28 20:24:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:24:24,297 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:24:24,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:24,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 141 treesize of output 129 [2023-11-28 20:24:29,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:24:29,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302029879] [2023-11-28 20:24:29,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302029879] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:24:29,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1545565857] [2023-11-28 20:24:29,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:29,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:24:29,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:24:29,783 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:24:29,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-11-28 20:24:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:31,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-28 20:24:31,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:24:33,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-28 20:24:35,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-28 20:24:41,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 40 [2023-11-28 20:24:41,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 64 [2023-11-28 20:24:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:24:46,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:24:50,713 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:24:50,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1406 treesize of output 1286 [2023-11-28 20:25:04,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1545565857] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:25:04,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:25:04,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2023-11-28 20:25:04,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383927939] [2023-11-28 20:25:04,300 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:25:04,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-28 20:25:04,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:25:04,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-28 20:25:04,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=657, Unknown=6, NotChecked=0, Total=756 [2023-11-28 20:25:04,301 INFO L87 Difference]: Start difference. First operand 260 states and 327 transitions. Second operand has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-28 20:25:10,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:25:18,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:25:26,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:25:30,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:25:34,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:25:38,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:25:53,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:25:53,881 INFO L93 Difference]: Finished difference Result 954 states and 1199 transitions. [2023-11-28 20:25:53,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-28 20:25:53,884 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 114 [2023-11-28 20:25:53,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:25:53,888 INFO L225 Difference]: With dead ends: 954 [2023-11-28 20:25:53,888 INFO L226 Difference]: Without dead ends: 695 [2023-11-28 20:25:53,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 306 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 49.9s TimeCoverageRelationStatistics Valid=242, Invalid=1154, Unknown=10, NotChecked=0, Total=1406 [2023-11-28 20:25:53,889 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 864 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 140 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:25:53,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 1724 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1507 Invalid, 6 Unknown, 0 Unchecked, 31.1s Time] [2023-11-28 20:25:53,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2023-11-28 20:25:53,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 297. [2023-11-28 20:25:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 266 states have (on average 1.2218045112781954) internal successors, (325), 268 states have internal predecessors, (325), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-28 20:25:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 373 transitions. [2023-11-28 20:25:53,925 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 373 transitions. Word has length 114 [2023-11-28 20:25:53,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:25:53,926 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 373 transitions. [2023-11-28 20:25:53,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-28 20:25:53,926 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 373 transitions. [2023-11-28 20:25:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-28 20:25:53,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:25:53,927 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:25:53,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2023-11-28 20:25:54,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-11-28 20:25:54,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-28 20:25:54,328 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:25:54,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:25:54,328 INFO L85 PathProgramCache]: Analyzing trace with hash -66719333, now seen corresponding path program 1 times [2023-11-28 20:25:54,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:25:54,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249908051] [2023-11-28 20:25:54,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:54,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:25:54,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:25:54,330 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:25:54,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-11-28 20:25:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:25:54,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:25:54,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:25:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-28 20:25:54,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:25:54,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:25:54,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249908051] [2023-11-28 20:25:54,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249908051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:25:54,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:25:54,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:25:54,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553424657] [2023-11-28 20:25:54,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:25:54,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:25:54,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:25:54,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:25:54,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:25:54,653 INFO L87 Difference]: Start difference. First operand 297 states and 373 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:25:54,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:25:54,768 INFO L93 Difference]: Finished difference Result 603 states and 760 transitions. [2023-11-28 20:25:54,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:25:54,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 114 [2023-11-28 20:25:54,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:25:54,770 INFO L225 Difference]: With dead ends: 603 [2023-11-28 20:25:54,770 INFO L226 Difference]: Without dead ends: 307 [2023-11-28 20:25:54,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:25:54,772 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 7 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:25:54,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 393 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:25:54,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-11-28 20:25:54,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 299. [2023-11-28 20:25:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 268 states have (on average 1.2164179104477613) internal successors, (326), 270 states have internal predecessors, (326), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-28 20:25:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 374 transitions. [2023-11-28 20:25:54,804 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 374 transitions. Word has length 114 [2023-11-28 20:25:54,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:25:54,804 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 374 transitions. [2023-11-28 20:25:54,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:25:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 374 transitions. [2023-11-28 20:25:54,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-28 20:25:54,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:25:54,806 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:25:54,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2023-11-28 20:25:55,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:25:55,006 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:25:55,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:25:55,007 INFO L85 PathProgramCache]: Analyzing trace with hash 356515295, now seen corresponding path program 1 times [2023-11-28 20:25:55,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:25:55,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992898134] [2023-11-28 20:25:55,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:55,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:25:55,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:25:55,008 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:25:55,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2023-11-28 20:25:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:25:55,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 20:25:55,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:25:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-28 20:25:55,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 20:25:55,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:25:55,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992898134] [2023-11-28 20:25:55,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992898134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:25:55,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:25:55,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:25:55,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538660057] [2023-11-28 20:25:55,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:25:55,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:25:55,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:25:55,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:25:55,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:25:55,345 INFO L87 Difference]: Start difference. First operand 299 states and 374 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:25:55,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:25:55,497 INFO L93 Difference]: Finished difference Result 601 states and 753 transitions. [2023-11-28 20:25:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:25:55,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 114 [2023-11-28 20:25:55,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:25:55,500 INFO L225 Difference]: With dead ends: 601 [2023-11-28 20:25:55,500 INFO L226 Difference]: Without dead ends: 303 [2023-11-28 20:25:55,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:25:55,501 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 7 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:25:55,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 393 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 20:25:55,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-11-28 20:25:55,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2023-11-28 20:25:55,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 268 states have (on average 1.212686567164179) internal successors, (325), 270 states have internal predecessors, (325), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-28 20:25:55,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 373 transitions. [2023-11-28 20:25:55,550 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 373 transitions. Word has length 114 [2023-11-28 20:25:55,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:25:55,550 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 373 transitions. [2023-11-28 20:25:55,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-28 20:25:55,551 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 373 transitions. [2023-11-28 20:25:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-28 20:25:55,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:25:55,552 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:25:55,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2023-11-28 20:25:55,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:25:55,753 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:25:55,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:25:55,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1915135492, now seen corresponding path program 1 times [2023-11-28 20:25:55,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:25:55,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274229107] [2023-11-28 20:25:55,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:25:55,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:25:55,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:25:55,755 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:25:55,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2023-11-28 20:25:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:25:56,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-28 20:25:56,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:26:01,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:26:01,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 87 [2023-11-28 20:26:01,823 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:26:01,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 78 [2023-11-28 20:26:02,197 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-28 20:26:02,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:26:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:26:04,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:26:04,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274229107] [2023-11-28 20:26:04,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274229107] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:26:04,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:26:04,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2023-11-28 20:26:04,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542171914] [2023-11-28 20:26:04,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:26:04,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:26:04,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:26:04,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:26:04,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-11-28 20:26:04,675 INFO L87 Difference]: Start difference. First operand 299 states and 373 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:07,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:26:07,606 INFO L93 Difference]: Finished difference Result 731 states and 912 transitions. [2023-11-28 20:26:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:26:07,610 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2023-11-28 20:26:07,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:26:07,612 INFO L225 Difference]: With dead ends: 731 [2023-11-28 20:26:07,612 INFO L226 Difference]: Without dead ends: 433 [2023-11-28 20:26:07,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2023-11-28 20:26:07,617 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 213 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:26:07,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 759 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-28 20:26:07,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-11-28 20:26:07,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 333. [2023-11-28 20:26:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 302 states have (on average 1.2019867549668874) internal successors, (363), 304 states have internal predecessors, (363), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-28 20:26:07,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 411 transitions. [2023-11-28 20:26:07,667 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 411 transitions. Word has length 115 [2023-11-28 20:26:07,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:26:07,668 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 411 transitions. [2023-11-28 20:26:07,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:07,668 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 411 transitions. [2023-11-28 20:26:07,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-28 20:26:07,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:26:07,669 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:26:07,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2023-11-28 20:26:07,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:26:07,870 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:26:07,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:26:07,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1678767226, now seen corresponding path program 1 times [2023-11-28 20:26:07,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:26:07,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289225356] [2023-11-28 20:26:07,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:26:07,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:26:07,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:26:07,872 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:26:07,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2023-11-28 20:26:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:26:08,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-28 20:26:08,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:26:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:26:13,576 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:26:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:26:14,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:26:14,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289225356] [2023-11-28 20:26:14,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289225356] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:26:14,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:26:14,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2023-11-28 20:26:14,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967441735] [2023-11-28 20:26:14,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:26:14,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:26:14,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:26:14,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:26:14,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2023-11-28 20:26:14,644 INFO L87 Difference]: Start difference. First operand 333 states and 411 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:16,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:26:16,614 INFO L93 Difference]: Finished difference Result 866 states and 1081 transitions. [2023-11-28 20:26:16,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:26:16,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2023-11-28 20:26:16,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:26:16,619 INFO L225 Difference]: With dead ends: 866 [2023-11-28 20:26:16,619 INFO L226 Difference]: Without dead ends: 534 [2023-11-28 20:26:16,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2023-11-28 20:26:16,620 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 162 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:26:16,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 539 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-28 20:26:16,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-11-28 20:26:16,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 341. [2023-11-28 20:26:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 310 states have (on average 1.2096774193548387) internal successors, (375), 312 states have internal predecessors, (375), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-28 20:26:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 423 transitions. [2023-11-28 20:26:16,677 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 423 transitions. Word has length 115 [2023-11-28 20:26:16,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:26:16,677 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 423 transitions. [2023-11-28 20:26:16,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 423 transitions. [2023-11-28 20:26:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-28 20:26:16,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:26:16,679 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:26:16,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2023-11-28 20:26:16,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:26:16,880 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:26:16,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:26:16,880 INFO L85 PathProgramCache]: Analyzing trace with hash -998708856, now seen corresponding path program 1 times [2023-11-28 20:26:16,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:26:16,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154920594] [2023-11-28 20:26:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:26:16,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:26:16,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:26:16,882 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:26:16,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2023-11-28 20:26:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:26:17,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-28 20:26:17,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:26:29,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:26:29,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 87 [2023-11-28 20:26:29,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:26:29,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 94 [2023-11-28 20:26:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-28 20:26:30,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:26:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:26:34,896 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:26:34,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154920594] [2023-11-28 20:26:34,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154920594] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:26:34,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:26:34,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 24 [2023-11-28 20:26:34,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096150391] [2023-11-28 20:26:34,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:26:34,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:26:34,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:26:34,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:26:34,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2023-11-28 20:26:34,898 INFO L87 Difference]: Start difference. First operand 341 states and 423 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:40,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:26:40,998 INFO L93 Difference]: Finished difference Result 860 states and 1070 transitions. [2023-11-28 20:26:41,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 20:26:41,002 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2023-11-28 20:26:41,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:26:41,005 INFO L225 Difference]: With dead ends: 860 [2023-11-28 20:26:41,005 INFO L226 Difference]: Without dead ends: 520 [2023-11-28 20:26:41,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=89, Invalid=667, Unknown=0, NotChecked=0, Total=756 [2023-11-28 20:26:41,007 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 246 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:26:41,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 634 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-28 20:26:41,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2023-11-28 20:26:41,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 341. [2023-11-28 20:26:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 310 states have (on average 1.2096774193548387) internal successors, (375), 312 states have internal predecessors, (375), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-28 20:26:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 423 transitions. [2023-11-28 20:26:41,052 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 423 transitions. Word has length 115 [2023-11-28 20:26:41,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:26:41,052 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 423 transitions. [2023-11-28 20:26:41,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 423 transitions. [2023-11-28 20:26:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-28 20:26:41,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:26:41,054 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:26:41,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2023-11-28 20:26:41,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:26:41,263 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:26:41,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:26:41,264 INFO L85 PathProgramCache]: Analyzing trace with hash 250452324, now seen corresponding path program 1 times [2023-11-28 20:26:41,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:26:41,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615495573] [2023-11-28 20:26:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:26:41,265 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:26:41,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:26:41,265 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:26:41,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2023-11-28 20:26:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:26:41,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-28 20:26:41,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:26:44,761 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:26:44,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 114 [2023-11-28 20:26:45,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:26:45,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 59 [2023-11-28 20:26:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 20:26:45,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:26:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:26:47,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:26:47,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615495573] [2023-11-28 20:26:47,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615495573] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:26:47,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:26:47,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2023-11-28 20:26:47,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552246233] [2023-11-28 20:26:47,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:26:47,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:26:47,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:26:47,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:26:47,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:26:47,458 INFO L87 Difference]: Start difference. First operand 341 states and 423 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:50,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:26:50,280 INFO L93 Difference]: Finished difference Result 847 states and 1057 transitions. [2023-11-28 20:26:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:26:50,282 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2023-11-28 20:26:50,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:26:50,284 INFO L225 Difference]: With dead ends: 847 [2023-11-28 20:26:50,284 INFO L226 Difference]: Without dead ends: 507 [2023-11-28 20:26:50,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2023-11-28 20:26:50,285 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 164 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:26:50,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 688 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-28 20:26:50,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2023-11-28 20:26:50,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 379. [2023-11-28 20:26:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 348 states have (on average 1.2040229885057472) internal successors, (419), 350 states have internal predecessors, (419), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-28 20:26:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 467 transitions. [2023-11-28 20:26:50,323 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 467 transitions. Word has length 115 [2023-11-28 20:26:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:26:50,323 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 467 transitions. [2023-11-28 20:26:50,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 467 transitions. [2023-11-28 20:26:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-28 20:26:50,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:26:50,325 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:26:50,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2023-11-28 20:26:50,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:26:50,525 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:26:50,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:26:50,525 INFO L85 PathProgramCache]: Analyzing trace with hash 930510694, now seen corresponding path program 1 times [2023-11-28 20:26:50,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:26:50,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270568715] [2023-11-28 20:26:50,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:26:50,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:26:50,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:26:50,527 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:26:50,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2023-11-28 20:26:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:26:50,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-28 20:26:50,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:26:56,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:26:56,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 87 [2023-11-28 20:26:56,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:26:56,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 135 treesize of output 63 [2023-11-28 20:26:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:26:56,740 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:26:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:26:58,246 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:26:58,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270568715] [2023-11-28 20:26:58,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270568715] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:26:58,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:26:58,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2023-11-28 20:26:58,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085718268] [2023-11-28 20:26:58,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:26:58,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:26:58,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:26:58,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:26:58,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:26:58,248 INFO L87 Difference]: Start difference. First operand 379 states and 467 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:59,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:26:59,765 INFO L93 Difference]: Finished difference Result 877 states and 1079 transitions. [2023-11-28 20:26:59,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:26:59,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2023-11-28 20:26:59,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:26:59,769 INFO L225 Difference]: With dead ends: 877 [2023-11-28 20:26:59,770 INFO L226 Difference]: Without dead ends: 499 [2023-11-28 20:26:59,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2023-11-28 20:26:59,770 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 174 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:26:59,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 406 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-28 20:26:59,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2023-11-28 20:26:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 450. [2023-11-28 20:26:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 410 states have (on average 1.197560975609756) internal successors, (491), 413 states have internal predecessors, (491), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-28 20:26:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 553 transitions. [2023-11-28 20:26:59,821 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 553 transitions. Word has length 115 [2023-11-28 20:26:59,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:26:59,821 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 553 transitions. [2023-11-28 20:26:59,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:26:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 553 transitions. [2023-11-28 20:26:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-28 20:26:59,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:26:59,823 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:26:59,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2023-11-28 20:27:00,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:00,023 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:00,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash -456603770, now seen corresponding path program 1 times [2023-11-28 20:27:00,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:27:00,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889560608] [2023-11-28 20:27:00,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:00,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:00,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:27:00,025 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:27:00,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2023-11-28 20:27:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:00,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-28 20:27:00,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:02,807 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:02,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 68 [2023-11-28 20:27:02,815 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:02,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 180 treesize of output 84 [2023-11-28 20:27:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-28 20:27:02,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:27:04,002 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:27:04,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889560608] [2023-11-28 20:27:04,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889560608] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:27:04,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:27:04,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-28 20:27:04,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747478022] [2023-11-28 20:27:04,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:04,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:27:04,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:27:04,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:27:04,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-28 20:27:04,004 INFO L87 Difference]: Start difference. First operand 450 states and 553 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:05,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:05,522 INFO L93 Difference]: Finished difference Result 943 states and 1158 transitions. [2023-11-28 20:27:05,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:27:05,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2023-11-28 20:27:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:05,528 INFO L225 Difference]: With dead ends: 943 [2023-11-28 20:27:05,528 INFO L226 Difference]: Without dead ends: 494 [2023-11-28 20:27:05,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-28 20:27:05,529 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 100 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:05,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 602 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-28 20:27:05,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2023-11-28 20:27:05,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 442. [2023-11-28 20:27:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 402 states have (on average 1.171641791044776) internal successors, (471), 405 states have internal predecessors, (471), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-28 20:27:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 533 transitions. [2023-11-28 20:27:05,592 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 533 transitions. Word has length 115 [2023-11-28 20:27:05,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:05,593 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 533 transitions. [2023-11-28 20:27:05,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:05,593 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 533 transitions. [2023-11-28 20:27:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-28 20:27:05,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:05,598 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:05,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2023-11-28 20:27:05,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:05,798 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:05,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:05,799 INFO L85 PathProgramCache]: Analyzing trace with hash 924519178, now seen corresponding path program 1 times [2023-11-28 20:27:05,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:27:05,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76124593] [2023-11-28 20:27:05,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:05,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:05,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:27:05,800 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:27:05,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2023-11-28 20:27:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:06,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-28 20:27:06,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:08,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:08,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 209 treesize of output 113 [2023-11-28 20:27:08,854 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:08,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 43 [2023-11-28 20:27:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 20:27:09,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:10,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:10,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 134 treesize of output 74 [2023-11-28 20:27:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:27:10,740 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:27:10,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76124593] [2023-11-28 20:27:10,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76124593] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:27:10,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:27:10,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2023-11-28 20:27:10,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126802068] [2023-11-28 20:27:10,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:10,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:27:10,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:27:10,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:27:10,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:27:10,742 INFO L87 Difference]: Start difference. First operand 442 states and 533 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:14,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:27:15,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:15,715 INFO L93 Difference]: Finished difference Result 929 states and 1125 transitions. [2023-11-28 20:27:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-28 20:27:15,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2023-11-28 20:27:15,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:15,719 INFO L225 Difference]: With dead ends: 929 [2023-11-28 20:27:15,719 INFO L226 Difference]: Without dead ends: 488 [2023-11-28 20:27:15,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2023-11-28 20:27:15,720 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 139 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:15,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 691 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-28 20:27:15,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2023-11-28 20:27:15,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 430. [2023-11-28 20:27:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 390 states have (on average 1.1666666666666667) internal successors, (455), 393 states have internal predecessors, (455), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-28 20:27:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 517 transitions. [2023-11-28 20:27:15,769 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 517 transitions. Word has length 115 [2023-11-28 20:27:15,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:15,769 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 517 transitions. [2023-11-28 20:27:15,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 517 transitions. [2023-11-28 20:27:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-28 20:27:15,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:15,770 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:15,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2023-11-28 20:27:15,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:15,971 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:15,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:15,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1441228568, now seen corresponding path program 1 times [2023-11-28 20:27:15,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:27:15,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081236917] [2023-11-28 20:27:15,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:15,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:15,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:27:15,973 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:27:15,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2023-11-28 20:27:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:16,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-28 20:27:16,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:22,211 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:22,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 160 treesize of output 88 [2023-11-28 20:27:22,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:22,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 64 [2023-11-28 20:27:22,783 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-28 20:27:22,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:27:25,275 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:27:25,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081236917] [2023-11-28 20:27:25,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081236917] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:27:25,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:27:25,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 21 [2023-11-28 20:27:25,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667218125] [2023-11-28 20:27:25,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:25,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:27:25,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:27:25,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:27:25,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-11-28 20:27:25,276 INFO L87 Difference]: Start difference. First operand 430 states and 517 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:28,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:28,088 INFO L93 Difference]: Finished difference Result 911 states and 1100 transitions. [2023-11-28 20:27:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 20:27:28,091 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2023-11-28 20:27:28,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:28,093 INFO L225 Difference]: With dead ends: 911 [2023-11-28 20:27:28,093 INFO L226 Difference]: Without dead ends: 482 [2023-11-28 20:27:28,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2023-11-28 20:27:28,094 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 149 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:28,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 789 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-28 20:27:28,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2023-11-28 20:27:28,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 430. [2023-11-28 20:27:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 390 states have (on average 1.1615384615384616) internal successors, (453), 393 states have internal predecessors, (453), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-28 20:27:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 515 transitions. [2023-11-28 20:27:28,145 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 515 transitions. Word has length 115 [2023-11-28 20:27:28,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:28,145 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 515 transitions. [2023-11-28 20:27:28,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 515 transitions. [2023-11-28 20:27:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-28 20:27:28,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:28,146 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:28,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2023-11-28 20:27:28,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:28,347 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:28,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:28,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1844380311, now seen corresponding path program 1 times [2023-11-28 20:27:28,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:27:28,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271224415] [2023-11-28 20:27:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:28,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:28,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:27:28,349 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:27:28,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2023-11-28 20:27:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:28,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-28 20:27:28,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:29,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-11-28 20:27:29,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2023-11-28 20:27:29,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2023-11-28 20:27:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-28 20:27:29,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:27:29,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:27:29,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271224415] [2023-11-28 20:27:29,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271224415] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:27:29,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:27:29,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 12 [2023-11-28 20:27:29,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675503630] [2023-11-28 20:27:29,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:29,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:27:29,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:27:29,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:27:29,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:27:29,538 INFO L87 Difference]: Start difference. First operand 430 states and 515 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:30,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:30,307 INFO L93 Difference]: Finished difference Result 599 states and 736 transitions. [2023-11-28 20:27:30,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-28 20:27:30,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 116 [2023-11-28 20:27:30,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:30,310 INFO L225 Difference]: With dead ends: 599 [2023-11-28 20:27:30,310 INFO L226 Difference]: Without dead ends: 597 [2023-11-28 20:27:30,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2023-11-28 20:27:30,311 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 111 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:30,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1274 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 20:27:30,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2023-11-28 20:27:30,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 592. [2023-11-28 20:27:30,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 519 states have (on average 1.186897880539499) internal successors, (616), 527 states have internal predecessors, (616), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 48 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-28 20:27:30,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 728 transitions. [2023-11-28 20:27:30,412 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 728 transitions. Word has length 116 [2023-11-28 20:27:30,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:30,412 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 728 transitions. [2023-11-28 20:27:30,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:30,413 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 728 transitions. [2023-11-28 20:27:30,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-28 20:27:30,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:30,414 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:30,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2023-11-28 20:27:30,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:30,620 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:30,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:30,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1720941598, now seen corresponding path program 1 times [2023-11-28 20:27:30,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:27:30,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170447056] [2023-11-28 20:27:30,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:30,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:30,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:27:30,621 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:27:30,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2023-11-28 20:27:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:31,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-28 20:27:31,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:32,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-11-28 20:27:33,007 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:33,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 24 [2023-11-28 20:27:33,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:33,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 197 treesize of output 77 [2023-11-28 20:27:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-28 20:27:33,637 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:27:34,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:27:34,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170447056] [2023-11-28 20:27:34,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170447056] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:27:34,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:27:34,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [16] total 26 [2023-11-28 20:27:34,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684712363] [2023-11-28 20:27:34,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:34,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-28 20:27:34,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:27:34,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-28 20:27:34,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2023-11-28 20:27:34,850 INFO L87 Difference]: Start difference. First operand 592 states and 728 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:38,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:38,263 INFO L93 Difference]: Finished difference Result 1355 states and 1665 transitions. [2023-11-28 20:27:38,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-28 20:27:38,266 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2023-11-28 20:27:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:38,270 INFO L225 Difference]: With dead ends: 1355 [2023-11-28 20:27:38,270 INFO L226 Difference]: Without dead ends: 764 [2023-11-28 20:27:38,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 206 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=197, Invalid=1135, Unknown=0, NotChecked=0, Total=1332 [2023-11-28 20:27:38,272 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 284 mSDsluCounter, 1810 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:38,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 2022 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-28 20:27:38,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2023-11-28 20:27:38,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 630. [2023-11-28 20:27:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 557 states have (on average 1.177737881508079) internal successors, (656), 565 states have internal predecessors, (656), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 48 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-28 20:27:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 768 transitions. [2023-11-28 20:27:38,361 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 768 transitions. Word has length 117 [2023-11-28 20:27:38,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:38,362 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 768 transitions. [2023-11-28 20:27:38,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 768 transitions. [2023-11-28 20:27:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-28 20:27:38,363 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:38,363 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:38,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2023-11-28 20:27:38,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:38,564 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:38,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:38,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1893967328, now seen corresponding path program 1 times [2023-11-28 20:27:38,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:27:38,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435302066] [2023-11-28 20:27:38,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:38,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:38,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:27:38,565 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:27:38,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2023-11-28 20:27:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:39,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-28 20:27:39,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:44,111 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:44,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 203 treesize of output 107 [2023-11-28 20:27:44,122 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:27:44,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 43 [2023-11-28 20:27:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:27:44,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:27:45,794 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:27:45,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435302066] [2023-11-28 20:27:45,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435302066] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:27:45,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:27:45,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2023-11-28 20:27:45,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728926037] [2023-11-28 20:27:45,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:45,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:27:45,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:27:45,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:27:45,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-11-28 20:27:45,796 INFO L87 Difference]: Start difference. First operand 630 states and 768 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:48,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:48,116 INFO L93 Difference]: Finished difference Result 1280 states and 1557 transitions. [2023-11-28 20:27:48,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:27:48,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2023-11-28 20:27:48,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:48,121 INFO L225 Difference]: With dead ends: 1280 [2023-11-28 20:27:48,121 INFO L226 Difference]: Without dead ends: 651 [2023-11-28 20:27:48,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:27:48,122 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 151 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:48,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 408 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-28 20:27:48,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2023-11-28 20:27:48,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 630. [2023-11-28 20:27:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 557 states have (on average 1.170556552962298) internal successors, (652), 565 states have internal predecessors, (652), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 48 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-28 20:27:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 764 transitions. [2023-11-28 20:27:48,211 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 764 transitions. Word has length 117 [2023-11-28 20:27:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:48,211 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 764 transitions. [2023-11-28 20:27:48,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 764 transitions. [2023-11-28 20:27:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-28 20:27:48,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:48,212 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:48,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2023-11-28 20:27:48,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:48,413 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:48,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:48,413 INFO L85 PathProgramCache]: Analyzing trace with hash -650797664, now seen corresponding path program 1 times [2023-11-28 20:27:48,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:27:48,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704021069] [2023-11-28 20:27:48,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:48,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:48,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:27:48,415 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:27:48,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2023-11-28 20:27:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:48,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-28 20:27:48,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:27:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:27:53,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:27:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:27:55,280 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:27:55,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704021069] [2023-11-28 20:27:55,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704021069] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:27:55,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:27:55,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2023-11-28 20:27:55,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180518261] [2023-11-28 20:27:55,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:27:55,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:27:55,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:27:55,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:27:55,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:27:55,282 INFO L87 Difference]: Start difference. First operand 630 states and 764 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:57,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:27:57,773 INFO L93 Difference]: Finished difference Result 1390 states and 1687 transitions. [2023-11-28 20:27:57,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:27:57,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2023-11-28 20:27:57,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:27:57,780 INFO L225 Difference]: With dead ends: 1390 [2023-11-28 20:27:57,780 INFO L226 Difference]: Without dead ends: 729 [2023-11-28 20:27:57,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2023-11-28 20:27:57,782 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 90 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:27:57,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 657 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-28 20:27:57,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-11-28 20:27:57,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 630. [2023-11-28 20:27:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 557 states have (on average 1.1669658886894076) internal successors, (650), 565 states have internal predecessors, (650), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 48 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-28 20:27:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 762 transitions. [2023-11-28 20:27:57,874 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 762 transitions. Word has length 117 [2023-11-28 20:27:57,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:27:57,874 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 762 transitions. [2023-11-28 20:27:57,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:27:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 762 transitions. [2023-11-28 20:27:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-28 20:27:57,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:27:57,875 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:27:57,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2023-11-28 20:27:58,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:58,076 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:27:58,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:27:58,076 INFO L85 PathProgramCache]: Analyzing trace with hash 193300644, now seen corresponding path program 1 times [2023-11-28 20:27:58,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:27:58,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661685312] [2023-11-28 20:27:58,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:27:58,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:27:58,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:27:58,078 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:27:58,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2023-11-28 20:27:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:27:58,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-28 20:27:58,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:28:03,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:28:03,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 160 treesize of output 88 [2023-11-28 20:28:03,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:28:03,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 64 [2023-11-28 20:28:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:28:03,449 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:28:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-28 20:28:04,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:28:04,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661685312] [2023-11-28 20:28:04,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661685312] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:28:04,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 20:28:04,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2023-11-28 20:28:04,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579022304] [2023-11-28 20:28:04,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:28:04,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:28:04,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:28:04,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:28:04,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:28:04,632 INFO L87 Difference]: Start difference. First operand 630 states and 762 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:28:06,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:28:06,660 INFO L93 Difference]: Finished difference Result 1332 states and 1628 transitions. [2023-11-28 20:28:06,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:28:06,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2023-11-28 20:28:06,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:28:06,666 INFO L225 Difference]: With dead ends: 1332 [2023-11-28 20:28:06,666 INFO L226 Difference]: Without dead ends: 703 [2023-11-28 20:28:06,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2023-11-28 20:28:06,667 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 96 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:28:06,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 610 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-28 20:28:06,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2023-11-28 20:28:06,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 501. [2023-11-28 20:28:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 442 states have (on average 1.165158371040724) internal successors, (515), 448 states have internal predecessors, (515), 44 states have call successors, (44), 14 states have call predecessors, (44), 14 states have return successors, (44), 38 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-28 20:28:06,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 603 transitions. [2023-11-28 20:28:06,738 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 603 transitions. Word has length 117 [2023-11-28 20:28:06,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:28:06,738 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 603 transitions. [2023-11-28 20:28:06,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-28 20:28:06,739 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 603 transitions. [2023-11-28 20:28:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-28 20:28:06,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:28:06,739 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:28:06,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2023-11-28 20:28:06,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:28:06,940 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:28:06,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:28:06,940 INFO L85 PathProgramCache]: Analyzing trace with hash 2116528678, now seen corresponding path program 1 times [2023-11-28 20:28:06,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 20:28:06,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155940416] [2023-11-28 20:28:06,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:28:06,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 20:28:06,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 20:28:06,942 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 20:28:06,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2023-11-28 20:28:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:28:07,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-28 20:28:07,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:28:08,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-11-28 20:28:09,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:28:09,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 24 [2023-11-28 20:28:09,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:28:09,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 197 treesize of output 77 [2023-11-28 20:28:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-28 20:28:09,949 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:28:10,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 20:28:10,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155940416] [2023-11-28 20:28:10,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155940416] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:28:10,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1837425267] [2023-11-28 20:28:10,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:28:10,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-28 20:28:10,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-28 20:28:10,934 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-28 20:28:10,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe26d8d-28dc-4ff4-8203-f53d667de59f/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-11-28 20:28:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:28:14,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-28 20:28:14,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:28:17,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-28 20:28:19,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-28 20:28:23,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 60 [2023-11-28 20:28:25,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-28 20:28:26,694 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-28 20:28:26,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2023-11-28 20:28:27,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 96 [2023-11-28 20:28:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-28 20:28:36,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:28:37,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1837425267] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:28:37,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:28:37,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21] total 32 [2023-11-28 20:28:37,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406165628] [2023-11-28 20:28:37,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 20:28:37,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-28 20:28:37,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 20:28:37,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-28 20:28:37,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1551, Unknown=2, NotChecked=0, Total=1722 [2023-11-28 20:28:37,463 INFO L87 Difference]: Start difference. First operand 501 states and 603 transitions. Second operand has 33 states, 33 states have (on average 4.03030303030303) internal successors, (133), 32 states have internal predecessors, (133), 5 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2023-11-28 20:28:48,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:28:56,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:04,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:09,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:13,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:17,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:21,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:25,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:29,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:33,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:37,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:39,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:29:44,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:30:02,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:30:06,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:30:10,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:30:34,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:30:39,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:30:43,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:30:47,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:30:51,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:30:55,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:08,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:12,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:17,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:23,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:27,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:31,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:35,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:39,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:44,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:49,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:53,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:31:57,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:01,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:05,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:09,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:13,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:17,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:21,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:25,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:29,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:33,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:37,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:41,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:47,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:51,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:55,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:32:59,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:03,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:08,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:12,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:16,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:20,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:24,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:28,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:38,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:42,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:47,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:54,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:33:58,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:03,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:07,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:11,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:15,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:20,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:24,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:28,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:32,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:36,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:40,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:44,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:48,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:52,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:34:56,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:35:00,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:35:04,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:35:08,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:35:24,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:35:41,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:35:45,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:36:05,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:36:09,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:36:13,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:36:50,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:36:54,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:36:58,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:37:02,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:37:22,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:37:26,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-28 20:37:30,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]